EP3915758A4 - SCREW AND EXTRUDER - Google Patents

SCREW AND EXTRUDER Download PDF

Info

Publication number: EP3915758A4
Authority: EP; European Patent Office
Prior art keywords: extruder; screw
Prior art date: 2019-02-25
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP19917405.3A

Other languages

German (de)

French (fr)

Other versions

EP3915758A1 (en

EP3915758B1 (en

Inventor

Tadasuke Sato

Noriyuki Takeda

Makoto Noda

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Nakata Engineering Co Ltd

Original Assignee

Nakata Engineering Co Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2019-02-25

Filing date

2019-11-28

Publication date

2022-10-26

2019-11-28 Application filed by Nakata Engineering Co Ltd filed Critical Nakata Engineering Co Ltd

2021-12-01 Publication of EP3915758A1 publication Critical patent/EP3915758A1/en

2022-10-26 Publication of EP3915758A4 publication Critical patent/EP3915758A4/en

2025-01-22 Application granted granted Critical

2025-01-22 Publication of EP3915758B1 publication Critical patent/EP3915758B1/en

Status Active legal-status Critical Current

2039-11-28 Anticipated expiration legal-status Critical

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/422—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw sections co-operating, e.g. intermeshing, with elements on the wall of the surrounding casing
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/421—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw and additionally other mixing elements on the same shaft, e.g. paddles, discs, bearings, rotor blades of the Banbury type
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/428—Parts or accessories, e.g. casings, feeding or discharging means
- B29B7/429—Screws
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/565—Screws having projections other than the thread, e.g. pins
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
- B29C48/605—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread being discontinuous
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/64—Screws with two or more threads
- B29C48/645—Screws with two or more threads neighbouring threads and channels having identical configurations
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/64—Screws with two or more threads
- B29C48/66—Barrier threads, i.e. comprising primary and secondary threads whereby the secondary thread provides clearance to the barrel for material movement
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/6801—Barrels or cylinders characterised by the material or their manufacturing process
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/681—Barrels or cylinders for single screws
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
- B29C48/687—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having projections with a short length in the barrel direction, e.g. pins
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2021/00—Use of unspecified rubbers as moulding material
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2021/00—Use of unspecified rubbers as moulding material
- B29K2021/003—Thermoplastic elastomers

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Manufacturing & Machinery (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

EP19917405.3A 2019-02-25 2019-11-28 Screw and pin-type extruder Active EP3915758B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2019031491A JP6949891B2 (en)	2019-02-25	2019-02-25	Screw and extruder
PCT/JP2019/046526 WO2020174793A1 (en)	2019-02-25	2019-11-28	Screw and extruder

Publications (3)

Publication Number	Publication Date
EP3915758A1 EP3915758A1 (en)	2021-12-01
EP3915758A4 true EP3915758A4 (en)	2022-10-26
EP3915758B1 EP3915758B1 (en)	2025-01-22

Family

ID=72238880

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19917405.3A Active EP3915758B1 (en)	2019-02-25	2019-11-28	Screw and pin-type extruder

Country Status (7)

Country	Link
US (1)	US20220080620A1 (en)
EP (1)	EP3915758B1 (en)
JP (1)	JP6949891B2 (en)
KR (1)	KR20210113674A (en)
CN (1)	CN113412182A (en)
TW (1)	TWI870385B (en)
WO (1)	WO2020174793A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2020118648A1 (en) *	2018-12-14	2020-06-18	湖南中烟工业有限责任公司	Molding apparatus, and cigarette filter rod and preparation method therefor
JP7322429B2 (en) *	2019-03-01	2023-08-08	住友ゴム工業株式会社	Rubber extruder and rubber extrusion method
JP6754018B1 (en) *	2020-01-23	2020-09-09	中田エンヂニアリング株式会社	Screws, extruders and extrusion methods
CN115871190A (en) *	2022-12-14	2023-03-31	济南嗒凛洺鄢生物科技有限公司	Tubulation mould of PVC inside lining cable pipe
CN116160579B (en) *	2023-02-07	2025-02-28	杭州中策清泉实业有限公司	Internal mixer glue discharge control system and method
DE102023206399A1 (en)	2023-07-06	2025-01-09	Continental Reifen Deutschland Gmbh	extruder with optimized screw design
DE102023206398A1 (en)	2023-07-06	2025-01-09	Continental Reifen Deutschland Gmbh	extruder with optimized screw design
DE102023212679A1 (en)	2023-12-14	2025-06-18	Continental Reifen Deutschland Gmbh	Twin-screw extruder with sensor unit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4356140A (en) *	1978-05-31	1982-10-26	Hpm Corporation	Extrusion method with short cycle multichannel wave screw
JP2004114602A (en) *	2002-09-27	2004-04-15	Nippon Zeon Co Ltd	Injection molding method and injection molded product
CN103087349A (en) *	2013-01-08	2013-05-08	青岛科技大学	Single-screw thermo-chemical and powerful shearing compound desulfurization device and desulfurization method
WO2015131526A1 (en) *	2014-03-06	2015-09-11	青岛科技大学	Single screw extrusion desulfurization and post-processing system, and method for preparing reclaimed rubber

Family Cites Families (15)

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Publication number	Priority date	Publication date	Assignee	Title
US3449793A (en) *	1967-04-21	1969-06-17	Intern Rubber Ind Inc	Machine for working rubber and like plastics
US3989941A (en) *	1972-09-28	1976-11-02	Midland-Ross Corporation	Extruder and screw therefor for effecting transverse currents in work material handled thereby
JPS5067867A (en) *	1973-10-22	1975-06-06
JPS5780037A (en) *	1980-11-05	1982-05-19	Mitsubishi Heavy Ind Ltd	High degree kneading type screw
JPS5889341A (en) *	1981-11-20	1983-05-27	Toshiba Mach Co Ltd	Extruder for thermoplastic resin molding
DE3438649A1 (en) *	1984-10-22	1986-04-24	Windmöller & Hölscher, 4540 Lengerich	SINGLE SCREW EXTRUSION FOR THERMOPLASTIC AND ELASTOMERS
JPH02137908A (en)	1988-11-18	1990-05-28	Nakata Zoki Kk	Detecting device for broken pin for pin type extruding machine, agitating pin used for detecting device for broken pin for pin type rubber extruding machine and pin type rubber extruding machine
DE4012612A1 (en) *	1990-04-20	1991-10-24	Wilfried Baumgarten	SNAIL EXTRUDERS
DE4039942C1 (en) *	1990-12-14	1992-01-30	Berstorff Gmbh Masch Hermann
GB2255039A (en) *	1991-04-19	1992-10-28	Frenkel Ag C D	Cold feed rubber extruder construction.
JP2004237715A (en) *	2002-12-11	2004-08-26	Sumitomo Rubber Ind Ltd	Extruder and extrusion method
DE102007057613B4 (en) *	2007-11-28	2014-05-22	Kautex Maschinenbau Gmbh	Extruder screw for a screw extruder
US9011131B2 (en) *	2010-03-11	2015-04-21	Rms Equipment Llc	Lug type extruder screw
JP6550253B2 (en) *	2014-04-24	2019-07-24	東芝機械株式会社	Screw for extruder, extruder and extrusion method
CN104589618B (en) *	2015-01-12	2017-01-18	安徽普瑞斯电工机械有限公司	Special two-section BM type screw rod for wire and cable extruder

2019
- 2019-02-25 JP JP2019031491A patent/JP6949891B2/en active Active
- 2019-11-28 KR KR1020217025854A patent/KR20210113674A/en not_active Ceased
- 2019-11-28 CN CN201980091728.0A patent/CN113412182A/en active Pending
- 2019-11-28 US US17/425,215 patent/US20220080620A1/en not_active Abandoned
- 2019-11-28 EP EP19917405.3A patent/EP3915758B1/en active Active
- 2019-11-28 WO PCT/JP2019/046526 patent/WO2020174793A1/en not_active Ceased
2020
- 2020-02-13 TW TW109104552A patent/TWI870385B/en active

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4356140A (en) *	1978-05-31	1982-10-26	Hpm Corporation	Extrusion method with short cycle multichannel wave screw
JP2004114602A (en) *	2002-09-27	2004-04-15	Nippon Zeon Co Ltd	Injection molding method and injection molded product
CN103087349A (en) *	2013-01-08	2013-05-08	青岛科技大学	Single-screw thermo-chemical and powerful shearing compound desulfurization device and desulfurization method
WO2015131526A1 (en) *	2014-03-06	2015-09-11	青岛科技大学	Single screw extrusion desulfurization and post-processing system, and method for preparing reclaimed rubber

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020174793A1 *

Also Published As

Publication number	Publication date
WO2020174793A1 (en)	2020-09-03
US20220080620A1 (en)	2022-03-17
JP6949891B2 (en)	2021-10-13
EP3915758A1 (en)	2021-12-01
JP2020131656A (en)	2020-08-31
TW202031457A (en)	2020-09-01
CN113412182A (en)	2021-09-17
EP3915758B1 (en)	2025-01-22
KR20210113674A (en)	2021-09-16
TWI870385B (en)	2025-01-21

Publication	Publication Date	Title
EP3915758A4 (en)	2022-10-26	SCREW AND EXTRUDER
EP3875789C0 (en)	2023-07-12	SCREW
EP3845532A4 (en)	2021-11-17	QUINOLINO-PYRROLIDIN-2-ONE DERIVATIVE AND RELATED APPLICATION
EP3880097A4 (en)	2022-01-26	PEDICULAR SCREWS
EP3604816A4 (en)	2021-01-20	SINGLE SCREW COMPRESSOR
EP3323589A4 (en)	2019-05-08	VOLTAGE MECHANISM AND SCREW EXTRUDER EQUIPPED WITH VOLTAGE MECHANISM
EP4036449C0 (en)	2024-06-05	SCREW CONNECTION
EP3855026C0 (en)	2023-11-15	SCREW
EP3455510C0 (en)	2023-11-15	SELF-TAPPING CONCRETE SCREW
EP3874090A4 (en)	2022-07-20	REACTOR DISCHARGE SCREW
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PL3810941T3 (en)	2025-09-08	Screw for screwing into plastic
EP3830409A4 (en)	2022-04-13	SCREW SYSTEMS
EP3842641A4 (en)	2021-07-14	SCREW COMPRESSOR
EP3926183A4 (en)	2022-11-02	SCREW
FI20165640L (en)	2018-02-27	Single screw extruder and method
PL3807545T3 (en)	2023-12-11	screw
EP3810942C0 (en)	2025-02-05	SELF-TAPPING SCREW
EP3839318C0 (en)	2024-04-10	SCREW ELEMENT AND SYSTEM
EP4045273C0 (en)	2025-02-19	EXTRUSION DEVICE AND EXTRUSION PROCESS
EP3792523A4 (en)	2021-08-11	BALL SCREW
DK3617533T3 (en)	2022-11-14	Screw and its use
EP3578328A4 (en)	2020-09-02	SCREW EXTRUDER
DK3710224T3 (en)	2023-04-11	Plasticizing screw
EP3446850A4 (en)	2019-11-27	SCREW TYPE EXTRUDER

Legal Events

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